#yeah-us-talk{
    margin-top: 80px;
    border-top: 2px solid rgba(0,0,0,0.15);
    border-left: 2px solid rgba(0,0,0,0.15);
    box-shadow: 5px 2px 10px #cccccc;
}

.us_slider_control_left{
    position: absolute;
    width:24px;
    height:40px;
    line-height: 40px;
    text-align: center;
    top:50%;
    left:0px;
    margin-top:-20px;
    z-index: 2;
    background-color: rgba(0,0,0,.2);
    transition:background-color .2s ;
    cursor: pointer;
}
.us_slider_control_right{
    position: absolute;
    right:0px;
    top:50%;
    margin-top:-20px;
    width:24px;
    height:40px;
    z-index: 2;
    background-color: rgba(0,0,0,.2);
    transition:background-color .2s ;
    cursor: pointer;
}
.us_slider_control_left:hover{
    background-color: rgba(0,0,0,.4)
}
.us_slider_control_right:hover{
    background-color: rgba(0,0,0,.4)
}
.us_slider_control_left i{
    position: absolute;
    top:10px;
    left:0px;
    width:20px;
    height:21px;
    background-image: url("../img/slider_control_left.png");
}
.us_slider_control_right i{
    position: absolute;
    top:10px;
    right:1px;
    width:20px;
    height:21px;
    background-image: url("../img/slider_control_right.png");

}
